Quick answers
- Does Yazen Beddawi accept Medicare assignment?
- Yes. Medicare's clinician data says Yazen Beddawi accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Yazen Beddawi see?
- In 2024, CMS data shows 231 Original Medicare patients and 572 services for Yazen Beddawi. This counts Original Medicare only and measures volume, not quality.
- What is Yazen Beddawi's NPI number?
- 1558594309. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Yazen Beddawi, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 231 |
|---|---|
| Services billed to Medicare | 572 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Critical care, first 30-74 minutes (99291)220 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)93 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)54 services
- Critical care, each additional 30 minutes (99292)44 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)37 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease52%
- COPD48%
- Heart failure48%
- Diabetes45%
Hospitals where Yazen Beddawi works
Medicare's Facility Affiliation Data lists Yazen Beddawi at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Alta Bates Summit Medical CenterOakland, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050043
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050305
Practice locations
Addresses where Yazen Beddawi is enrolled with Medicare (CMS data updated October 2, 2026).
- 20103 Lake Chabot RdCastro Valley, CA 94546 (510) 537‑1234
- 2450 Ashby AveBerkeley, CA 94705 (510) 204‑4444
- 3300 Webster St, Suite 1000Oakland, CA 94609 (510) 271‑4400
- 350 Hawthorne AveOakland, CA 94609 (510) 655‑4000
Group practices
Medicare enrollment lists Yazen Beddawi as a member of these groups (CMS data updated October 2, 2026).
- Inpatient Specialists of California PC385 clinicians in the group
- Hill Health Inc a Medical Corporation10 clinicians in the group
Specialties
Find other Critical Care (Intensivists) doctors in California →
Other critical care doctors in Castro Valley
Clinicians with the same Medicare primary specialty in Castro Valley, CA — not a recommendation.
Other clinicians in Inpatient Specialists of California PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2008 (18 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1558594309 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians